Home / 748,866.90-1,123,305.15-299,625.30

Finding the Fourth Proportional to 748,866.90, 1,123,305.15 and 299,625.30

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Solution

The fourth proportional to 748,866.90, 1,123,305.15 and 299,625.30 is: 449,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,866.90 : 1,123,305.15 = 299,625.30 : x
  2. Step 2: Convert to fraction form
    748,866.90/1,123,305.15 = 299,625.30/x
  3. Step 3: Cross multiply
    748,866.90x = 1,123,305.15 × 299,625.30
  4. Step 4: Simplify right side
    748,866.90x = 336,570,642,560.30
  5. Step 5: Solve for x
    x = 336,570,642,560.30/748,866.90
  6. Step 6: Final answer
    x = 449,439.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.